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# Copyright 2020-2023 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
load_lib dwarf.exp
# The function foo is encapsulated by two functions from CU
# $srcfile (main and bar), but the debug info does not describe foo, so
# foo should not be seen as part of CU $srcfile.
# Run to foo, and check that the current language is the default auto/C.
# If foo is considered part of CU $srcfile, the language will be auto/C++
# instead.
# This test can only be run on targets which support DWARF-2 and use gas.
if {![dwarf2_support]} {
verbose "Skipping $gdb_test_file_name."
return 0
}
# The .c files use __attribute__.
if ![is_c_compiler_gcc] {
verbose "Skipping $gdb_test_file_name."
return 0
}
standard_testfile .c -dw.S
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
global srcdir subdir srcfile srcfile2
declare_labels ranges_label
# Find start address and length for our functions.
set foo_func \
[function_range foo [list ${srcdir}/${subdir}/$srcfile]]
set quux_func \
[function_range quux [list ${srcdir}/${subdir}/$srcfile]]
set bar_func \
[function_range bar [list ${srcdir}/${subdir}/$srcfile]]
cu {} {
compile_unit {
{language @DW_LANG_C_plus_plus}
{name $srcfile}
{ranges ${ranges_label} DW_FORM_sec_offset}
} {
subprogram {
{external 1 flag}
{name quux}
}
}
}
ranges {is_64 [is_64_target]} {
ranges_label: sequence {
base [lindex $quux_func 0]
range 0 [lindex $quux_func 1]
base [lindex $bar_func 0]
range 0 [lindex $bar_func 1]
}
}
}
if { [prepare_for_testing "failed to prepare" ${testfile} \
[list $srcfile $asm_file] {nodebug}] } {
return -1
}
if ![runto foo] {
return -1
}
gdb_test "show language" \
"The current source language is \"auto; currently c\"\."
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